D974-14e2 Standard Test Method for Acid and Base Number by Color-Indicator Titration - IP 139/98
D5984-11 Standard Test Method for Semi-Quantitative Field Test Method for Base Number in New and Used Lubricants by Color-Indicator Titration
D2896-15 Standard Test Method for Base Number of Petroleum Products by Potentiometric Perchloric Acid Titration
D4739-11 Standard Test Method for Base Number Determination by Potentiometric Hydrochloric Acid Titration





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